The invention provides methods of producing and servicing insulating glass units. Methods are provided for reducing the pressure differential on an IG unit, for changing the interior pressure within an IG unit, and for changing the gaseous interior composition within an IG. These methods can be prac
The invention provides methods of producing and servicing insulating glass units. Methods are provided for reducing the pressure differential on an IG unit, for changing the interior pressure within an IG unit, and for changing the gaseous interior composition within an IG. These methods can be practiced by forming a hole through at least one of the panes of an IG unit, and flowing gas through the hole. One method includes forming a hole through one of the panes of an IG unit, flowing gas through the hole, and sealing the hole with an optically clear sealant (e.g., a transparent resin). A number of methods for producing IG units are also provided. Further, several kits are provided for servicing IG units. There is also provided a method for detecting leaks in an IG unit by flowing an opaque gas into the unit and observing the unit to detect leaks of the opaque gas therefrom.
대표청구항▼
1. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space contai
1. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space containing a gaseous interior composition at an interior pressure that is different than the ambient exterior pressure outside the panes, such that a pressure differential exists between the interior pressure and the exterior pressure, the method comprising:a. forming a hole through one of the panes; b. flowing gas through said hole to reduce said pressure differential; and c. sealing said hole by flowing sealant into said hole, wherein the sealant flowed into said hole is a substantially transparent resin. 2. A method as in claim 1 wherein said gas is forced to flow through said hole.3. A method as in claim 1 wherein said gas is allowed to flow through said hole by venting said hole to the ambient exterior atmosphere.4. A method as in claim 1 wherein said interior pressure is less than said exterior pressure prior to forming said hole, and said gas is flowed into the between-pane space of the insulating glass unit.5. A method as in claim 4 wherein said gas is forced to flow into the between-pane space.6. A method as in claim 4 comprising evacuating the between-pane space prior to flowing said gas into the between-pane space.7. A method as in claim 4 wherein said gas comprises desiccated air.8. A method as in claim 4 wherein said gas comprises an insulative gas.9. A method as in claim 8 wherein said insulative gas is argon.10. A method as in claim 8 wherein said insulative gas is krypton.11. A method as in claim 1 wherein said interior pressure is greater than said exterior pressure prior to forming said hole, and said gas is flowed out of the between-pane space of the insulating glass unit.12. A method as in claim 11 wherein said gas is forced to flow out of the between-pane space.13. A method as in claim 1 wherein the sealant has an index of refraction that is substantially equal to that of the pane in which said hole is formed.14. A method as in claim 1 wherein the sealant is flowed into said hole by injecting the sealant into said hole.15. A method as in claim 1 wherein the sealant is a curable sealant, the method further comprising curing the sealant.16. A method as in claim 15 wherein said curing includes applying ultraviolet radiation.17. A method as in claim 15 wherein the curable sealant is a polymeric material.18. A method as in claim 17 wherein the polymeric material comprises polyurethane acrylic.19. A method as in claim 15 wherein the curable sealant has an index of refraction after curing that is substantially equal to that of the pane in which said hole is formed.20. A method as in claim 1 wherein said hole is formed by drilling, said hole taking the form of a cylindrical aperture, wherein said hole has an interior wall that is generally perpendicular to the inner surface of the pane in which said hole is formed.21. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space containing a first gaseous interior composition, the method comprising:a. forming a first hole through one of the panes; b. flowing gas through said first hole to establish a second gaseous interior composition within the between-pane space of the insulating glass unit; and c. sealing said first hole by injecting sealant into said first hole. 22. A method as in claim 21 wherein said gas is forced to flow through said first hole.23. A method as in claim 21 wherein said gas is allowed to flow through said first hole by venting said first hole to the ambient exterior atmosphere.24. A method as in claim 21 wherein said gas is flowed into the between-pane space of the insulating glass unit.25. A method as in claim 24 wherein said gas is forced to flow into the between-pane space.26. A method as in claim 24 comprising evacuating the between-pane space prior to flowing said gas into the between-pane space.27. A method as in claim 24 wherein said gas comprises desiccated air.28. A method as in claim 24 wherein said gas comprises an insulative gas.29. A method as in claim 28 wherein the insulative gas is argon.30. A method as in claim 28 wherein the insulative gas is krypton.31. A method as in claim 21 wherein said first hole is formed by drilling, said hole taking the form of a cylindrical aperture, wherein said hole has an interior wall that is generally perpendicular to the inner surface of the pane in which said hole is formed.32. A method as in claim 21 further comprising delivering a desiccant through said first hole and into the between-pane space of the insulating glass unit before said first hole is sealed.33. A method as in claim 21 further comprising forming a second hole through one of the panes of the insulating glass unit before said first hole is sealed.34. A method as in claim 33 wherein said gas is forced to flow into said first hole while gas is allowed to flow out of said second hole.35. A method as in claim 34 further comprising measuring the concentration of gas flowing out of said second hole.36. A method as in claim 33 further comprising sealing said second hole after establishing said second gaseous interior composition.37. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space having a first gaseous interior pressure, the method comprising:a. forming a hole through one of the panes, said hole having a diameter of between about 0.1 inch and about 0.4 inch; b. flowing gas through said hole to change said first gaseous interior pressure to a second gaseous interior pressure; and c. sealing said hole by injecting sealant into said hole. 38. A method as in claim 37 wherein said gas is forced to flow through said hole.39. A method as in claim 37 wherein said gas is allowed to flow through said hole by venting said hole to the ambient exterior environment.40. A method as in claim 37 wherein said gas is flowed into the between-pane space of the insulating glass unit, such that said second gaseous interior pressure is higher than said first gaseous interior pressure.41. A method as in claim 40 wherein said gas is forced to flow into the between-pane space.42. A method as in claim 40 comprising evacuating the between-pane space prior to flowing said gas into the between-pane space.43. A method as in claim 40 wherein said gas comprises desiccated air.44. A method as in claim 40 wherein said gas comprises an insulative gas.45. A method as in claim 44 wherein the insulative gas is argon.46. A method as in claim 44 wherein the insulative gas is krypton.47. A method as in claim 40 wherein said gas is flowed into the between-pane space prior to or during a cold season to increase said first gaseous interior pressure to said second gaseous interior pressure.48. A method as in claim 37 wherein said gas is flowed out of the between-pane space of the insulating glass unit, such that said second gaseous interior pressure is lower than said first gaseous interior pressure.49. A method as in claim 48 wherein said gas is forced to flow out of the between-pane space.50. A method as in claim 48 wherein said gas is flowed out of the between-pane space prior to or during a warm season to decrease said first gaseous interior pressure to said second gaseous interior pressure.51. A method as in claim 37 wherein the sealant is an optically clear sealant.52. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space, the method comprising:a. forming a hole through one of the panes; b. flowing insulative gas through said hole and into the between-pane space of the insulating glass unit; and c. sealing said hole by filling said hole substantially entirely with an optically clear sealant, the hole being filled by flowing the sealant into said hole at a temperature below the melting point of solder glass. 53. A method as in claim 52 comprising evacuating the between-pane space before flowing said insulative gas into the between-pane space.54. A method as in claim 53 wherein the between-pane space is evacuated by placing a suction device in communication with said hole.55. A method as in claim 52 wherein said insulative gas is forced to flow through said hole.56. A method as in claim 55 wherein said insulative gas is forced to flow through said hole by placing a pressurized supply of said insulative gas in communication with said hole.57. A method as in claim 52 wherein said insulative gas is argon.58. A method as in claim 52 wherein said insulative gas is krypton.59. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space, at least one of the panes of the insulating glass unit having a hole formed therethrough, the method comprising sealing said hole by flowing sealant into said hole, wherein the sealant flowed into said hole is a substantially transparent resin, and wherein said resin is flowed into said hole while maintaining the resin at room temperature.60. A method as in claim 59 wherein said resin is flowed into said hole by injecting said resin into said hole.61. A method as in claim 60 wherein said resin is injected using a syringe-like applicator.62. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space, the method comprising:a. forming a hole having a diameter of less than 0.0625 inch through one of the panes; b. flowing gas through said hole; and c. sealing said hole with an optically clear sealant by injecting the sealant into said hole using a needle. 63. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space, the method comprising:a. forming a hole through one of the panes; b. flowing gas through said hole; and c. sealing said hole by flowing a liquid or gel sealant into said hole, wherein the sealant is flowed into said hole without application of heat. 64. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space, the method comprising:a. forming a hole through one of the panes; b. flowing gas through said hole; and c. sealing said hole by flowing sealant into said hole, the sealant being a non-vitreous, non-metallic, clear sealant, such that the sealed hole contains only a deposit of the clear sealant providing an all-transparent closure of said hole, and wherein the sealant does not contain any perforations or other openings. 65. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space, the insulating glass unit being mounted in a wall of a building when the method is performed, the method comprising:a. forming a hole through one of the panes of said mounted insulating glass unit; b. flowing gas through said hole; and c. sealing said hole by injecting a sealant into said hole, thereafter applying a bead of the sealant to an outer surface of the pane in which said hole is formed, said bead being applied adjacent said hole, and pushing said bead of sealant over said hole so as to substantially fill said hole with the sealant and to remove excess sealant and to also leave the sealant substantially flush with said outer surface. 66. A method of servicing an insulating glass unit, wherein the insulating glass unit includes a pair of spaced-apart panes and a spacer joining peripheral confronting inner surfaces of the panes, the spacer and the confronting inner surfaces of the panes together defining a between-pane space, the method comprising:a. forming a hole through one of the panes, the hole having a diameter of less than about 0.03125 inch; b. flowing gas through said hole; and c. sealing said hole with an optically clear sealant.
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이 특허에 인용된 특허 (59)
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